30706449 has 8 divisors (see below), whose sum is σ = 42722112. Its totient is φ = 19580880.

The previous prime is 30706433. The next prime is 30706453. The reversal of 30706449 is 94460703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30706449 - 2⁴ = 30706433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30706409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222442 + ... + 222579.

It is an arithmetic number, because the mean of its divisors is an integer number (5340264).

Almost surely, 2^30706449 is an apocalyptic number.

It is an amenable number.

30706449 is a deficient number, since it is larger than the sum of its proper divisors (12015663).

30706449 is a wasteful number, since it uses less digits than its factorization.

30706449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445047.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 30706449 is about 5541.3400003970. The cubic root of 30706449 is about 313.1433538510.

The spelling of 30706449 in words is "thirty million, seven hundred six thousand, four hundred forty-nine".